Home/Events/New Mexico Supreme Court Punishes Lawyer for Submitting AI-Generated Brief with Fake Testimony Using ChatGPT

New Mexico Supreme Court Punishes Lawyer for Submitting AI-Generated Brief with Fake Testimony Using ChatGPT

Resolved

Confidence

90%

Impact: 70%

Updated 8h ago

Consensus Brief

The New Mexico Supreme Court held attorney Stephen Aarons in contempt for submitting a brief containing fabricated witness testimony generated by ChatGPT. Aarons admitted to not verifying the information in the AI-generated brief and was referred to a disciplinary board, facing a $5,000 fine and potential further penalties.

Sourced from

Ars TechnicaT2

Primary: Ars Technica

What Changed Since Last Update

8h ago

This incident highlights the legal repercussions of using AI-generated content without verification in legal proceedings.

Claim Ledger

4 claims tracked across sources

Confirmed Fact

Aarons submitted a brief with false testimony from fabricated witnesses.

Confirmed Fact

Aarons was fined $5,000 and referred to a disciplinary board.

Confirmed Fact

Aarons used a version of ChatGPT powered by the OpenAI o3 model.

Confirmed Fact

The case will proceed in the court's 2026-27 term.

Role-Based Impact Analysis

Source Timeline

1 source corroborating

ChatGPT-using lawyer punished for citing fake testimony from made-up witnesses

Ars Technica·9h ago